In this video, I explain the Infromation technology components as it appear on the CPA exam information systems and controls section.

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Purpose of IT Architecture Components
IT Architecture is crucial for organizing and utilizing technology resources to meet the business objectives and needs of an organization. Below are some key components of IT Architecture and their purposes:

1. Operating Systems:
Purpose:
Manage hardware resources.
Provide services to software applications.
Enable user interactions.
Examples:
Windows
Linux
MacOS
Android
iOS

2. Servers:
Purpose:
Host and manage applications, services, and databases.
Serve client requests and manage network resources.
Examples:
Web servers like Apache and Nginx.
Database servers like MySQL and Microsoft SQL Server.
Application servers like Tomcat and JBoss.

3. Network Infrastructure:
Purpose:
Provide connectivity and communication between different IT components.
Ensure data integrity, availability, and security across the network.
Examples:
Routers and Switches
Firewalls
Load Balancers
Networking Cables

4. End-User Devices:
Purpose:
Enable users to access and use IT resources and applications.
Provide interfaces for users to interact with IT systems.
Examples:
Desktop Computers
Laptops
Tablets
Smartphones

5. Storage:
Purpose:
Store data and applications.
Backup and retrieve data as needed.
Examples:
Hard Drives
Solid State Drives (SSD)
Network Attached Storage (NAS)
Storage Area Network (SAN)

6. Middleware:
Purpose:
Enable communication and data management for distributed applications.
Provide services to develop applications more efficiently.
Examples:
Message Oriented Middleware (MOM) like RabbitMQ.
Object Request Brokers (ORBs) like CORBA.

7. Software Applications:
Purpose:
Perform tasks and processes to meet user and business needs.
Enable users to create, manage, and analyze data.
Examples:
Microsoft Office Suite
Customer Relationship Management (CRM) like Salesforce
Enterprise Resource Planning (ERP) like SAP

8. Data Architecture:
Purpose:
Define how data is stored, accessed, and managed.
Enable data analysis and decision-making.
Examples:
Databases like Oracle and PostgreSQL.
Data Warehouses like Amazon Redshift and Google BigQuery.
Data Lakes

Importance of Each Component
Each component of IT Architecture serves a specific function within an organization and is interdependent on other components to deliver optimum performance and results. For instance, an operating system on end-user devices interacts with servers and network infrastructure to access and utilize software applications and storage, while middleware facilitates seamless interactions between different software applications. The overall effectiveness and efficiency of IT Architecture depend on the proper integration and management of all these components.




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